Cual de las siguientes opciones corresponde a la fuerza generada a partir del contacto de un cuerpo contra una superficie y que siempre es perpendicular a la superficie de apoyo.

Steelhead trout migrate up stream to spawn. occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b. leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

Which statements did both aristotle and ptolemy assume? check all that apply.

Consider an air-filled charged capacitor. how can its capacitance be increased?